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Fabrication of YBa2Cu3O7−xbulk superconductor from the powder without reoxygenation

✍ Scribed by R. E. Anderson; M. J. Sablik; C. I. Nicholls; D. Preciado

Book ID
104822776
Publisher
Springer
Year
1990
Tongue
English
Weight
452 KB
Volume
25
Category
Article
ISSN
0022-2461

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YBa2CUaOT\_x/Sn (YBCO/Sn) composites sintered at 230 ~ exhibited a percolation threshold for electrical conductivity at 20 vol % Sn, with semiconducting and metallic behaviour below and above it, respectively. The simultaneous decrease in r = dp/d T and Po with increase in Sn content was related to